Approximation of Towline Influence on Towed Ship Motions (CROSBI ID 614233)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ćatipović, Ivan ; Degiuli, Nastia ; Werner, Andreja ; Čorić, Većeslav ; Radanović, Jadranka
engleski
Approximation of Towline Influence on Towed Ship Motions
Towing is often used when setting up offshore objects as well as for the removal of damaged ships from the crash site. For this purpose, quasi-static approach is used for approximation of towline forces acting on towed ship. So, mathematical model of towline takes into account geometric, axial and flexural stiffness while inertial and damping forces are neglected. Towed ship is modeled as a rigid body. Hydrodynamic loadings due to waves are considered along with hydrodynamic reactions i.e. added mass and radiational damping. Usually, these loadings and reactions on a ship are calculated in frequency domain. Since the properties of towline model are nonlinear, calculations should be performed in time domain. Therefore, mapping of hydrodynamic loadings and reactions from frequency to time domain is done. Obtained numerical results are compared with experimental results from available literature where ship's model is observed on regular head waves.
towing ; towing line ; wave-induced motions
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Podaci o prilogu
1095-1104.
2014.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of the 2nd International Conference on Maritime Technology and Engineering
Guedes Soares, C.
Lisabon: Taylor & Francis
9780429226663
Podaci o skupu
2nd International Conference on Maritime Technology and Engineering - MARTECH2014
predavanje
15.10.2014-17.10.2014
Lisabon, Portugal